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CITIES SERVICE CANADA

Overview
  • Total Patents
    25
About

CITIES SERVICE CANADA has a total of 25 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Canada and United States. Its main competitors in its focus markets basic materials chemistry, chemical engineering and civil engineering are IMPERIAL OIL RESOURCES LTD, PREUSSISCHE GEWERKSCHAFT RAPHA and GENIE IP BV.

Patent filings in countries

World map showing CITIES SERVICE CANADAs patent filings in countries
# Country Total Patents
#1 Canada 16
#2 United States 9

Patent filings per year

Chart showing CITIES SERVICE CANADAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cymbalisty Lubomyr M O 5
#2 Towson Donald E 4
#3 Kaminsky Victor P 4
#4 Bowman Clement W 1
#5 Mitchell David L 1
#6 Mitchell D 1
#7 Lupul S 1
#8 Bowman C 1
#9 Schutte Robert 1
#10 Peterson Dewey L Jr 1

Latest patents

Publication Filing date Title
CA1173355A In situ recovery of viscous materials
CA1173353A In situ recovery of viscous materials
CA1173354A In situ recovery of viscous materials
CA1173356A In situ recovery of viscous materials
US3935076A Two stage separation system
US3864251A Treatment of middlings stream from hot water process for recovering bitumen from tar sand
US3869384A Tailings disposal system for tar sands plant
CA990326A Steam sparger valve for conditioning drum
US3847789A Two stage separation system
US3796652A Thermal dehydration of bitumen froth
US3799613A Tar sands mining process
US3784464A Process for washing secondary separator froth to recover bitumen
US3779902A Preparation of mineral free asphaltenes
CA929477A Carbonates as ph controller
US3656938A Treatment of bituminous sands for recovery of heavy metals therefrom
CA915602A Separation of bitumen from bituminous sand using a cold dense slurry
CA915605A Use of light hydrocarbons in tar sand processing
CA914093A Combination additive for tar sand processing
CA915606A Restoration of light hydrocarbon gases to tar sand
CA915608A Removal of water from bituminous emulsion